MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. Additionally, it exhibits a PDF link farm pattern, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains text fragments that, combined with the heuristics, suggest a lure for callback phishing or a tech-support scam. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.cc/pify?keyword=distance+christina+perri+piano+sheet+music In PDF document text
- http://files.societyofhealingtouchprogramalberta.ca/uploads/1/3/1/8/131856105/6080c17e59.pdfIn PDF document text
- http://files.lenka-photography.com/uploads/1/3/0/9/130969740/metilog.pdfIn PDF document text
- http://files.crossfitelgin.com/uploads/1/3/1/3/131380213/d35bfc851272834.pdfIn PDF document text
- http://files.santashelpersscv.com/uploads/1/3/1/1/131163898/7878539.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4048/9122/files/36619699987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/30715774751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/30985804765.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9471/9131/files/nopun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4381/4560/files/kuvufipifotosurup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0440/3613/files/3816884296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2512/9894/files/mibezinukepikiti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5305/5128/files/79750925303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6643/3429/files/wufuxel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9306/5877/files/nosenatoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0645/9032/files/venuwubumozirekezarega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1110/5191/files/wogajurutowika.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CFB | 5024 bytes |
SHA-256: 30f34296dc0cf59b1a7720a4520828c3f9d3e16186949c43278c6b3d39fa4452 |
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font_01_sfnt_off00006dd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DD1 | 10468 bytes |
SHA-256: aaf4bdd22edd49378ef88a2f46f3b3250ddd4a86e0046b056458404e01a8e573 |
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